Pollen

The Tomorrow.io REST Weather API provides the following information:

Field	Values (Metric, Imperial)	Availability
`treeIndex` The Tomorrow.io index representing the extent of grains of overall tree pollen or mold spores in a cubic meter of the air	0: None 1: Very low 2: Low 3: Medium 4: High 5: Very High	F: [-7 days, +108 Hours] I: T R I A: WW S: ∧ ∨ ~ P: -
`grassIndex` The Tomorrow.io index representing the extent of grains of overall grass pollen or mold spores in a cubic meter of the air	0: None 1: Very low 2: Low 3: Medium 4: High 5: Very High	F: [-7 days, +108 Hours] I: T M R I A: WW S: ∧ ∨ ~ P: -
`grassGrassIndex` The Tomorrow.io index representing the extent of grains of the species pollen or mold spores in a cubic meter of the air	0: None 1: Very low 2: Low 3: Medium 4: High 5: Very High	F: [-7 days, +108 Hours] I: T R I A: US S: ∧ ∨ ~ P: -
`weedIndex` The Tomorrow.io index representing the extent of grains of overall weed pollen or mold spores in a cubic meter of the air	0: None 1: Very low 2: Low 3: Medium 4: High 5: Very High	F: [-7 days, +108 Hours] I: T M R I A: WW S: ∧ ∨ ~ P: -
`weedRagweedIndex` The Tomorrow.io index representing the extent of grains of the species pollen or mold spores in a cubic meter of the air	0: None 1: Very low 2: Low 3: Medium 4: High 5: Very High	F: [-7 days, +108 Hours] I: T R I A: US S: ∧ ∨ ~ P: -